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Round|Natural|GIA

0.66ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6243098119

Certificate GIA 6243098119

Diamond specifications and retailer prices

From HK$6,020 HKD
$767 USD
As of October 31, 2026
Save HK$3,788 HKD (39%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$9,808 HKD at Frank Darling · As of November 2, 2026
View at Frank Darling

About this 0.66ct natural round diamond

This 0.66ct natural round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6243098119. Listed at 12 retailers as of October 31, 2026, with prices from HK$6,020 to HK$9,808, a HK$3,788 spread on the same certified stone. Frank Darling lists it at HK$9,808. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.66
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6243098119
Dimensions5.53 × 5.56 × 3.48 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.53 mm5.56 mm0.66 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6243098119
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: HK$9,808 HKD|Low: HK$6,020 HKD|High: HK$9,808 HKD|Avg: HK$7,640 HKD
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 3HK$6,020 HKD
Retailer 11HK$6,512 HKD
Retailer 9HK$6,561 HKD
Retailer 6HK$6,693 HKD
Retailer 4HK$7,293 HKD
Retailer 5HK$7,564 HKD
Retailer 8HK$7,564 HKD
Retailer 10HK$8,570 HKD
Retailer 2HK$8,774 HKD
Retailer 7HK$9,706 HKD
Frank DarlingHK$9,808 HKD

18 data points across 11 retailers

12 retailersHK$6,020 HKD to HK$9,808 HKD

A
Cheapest Retailer
-
HK$6,020 HKD
$767 USD
A
Retailer 2
-
HK$6,305 HKD
SGD 1,086 SGD
View
A
Retailer 3
-
HK$6,512 HKD
$830 USD
View
A
Retailer 4
-
HK$6,561 HKD
SGD 1,130 SGD
View
B+
Retailer 5
-
HK$6,693 HKD
$853 USD
View
B+
Retailer 6
-
HK$7,293 HKD
£732 GBP
View
B+
Retailer 7
-
HK$7,564 HKD
$964 USD
View
B+
Retailer 8
-
HK$7,564 HKD
$964 USD
View
B+
Retailer 9
-
HK$8,570 HKD
£860 GBP
View
B+
Retailer 10
-
HK$8,774 HKD
€1,065 EUR
View
Retailer 11
-
HK$9,706 HKD
$1,237 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Frank Darling
2706048HK · Nov 2
HK$9,808 HKD
$1,250 USD
View
11 more retailers have this diamond
Prices start from HK$6,020 HKDSave up to HK$3,788 HKD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
0.66ct Round
HK$6,020 HKD